EP1484026B1 - Cathéter pour cartographier une veine pulmonaire - Google Patents

Cathéter pour cartographier une veine pulmonaire Download PDF

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Publication number
EP1484026B1
EP1484026B1 EP04253130A EP04253130A EP1484026B1 EP 1484026 B1 EP1484026 B1 EP 1484026B1 EP 04253130 A EP04253130 A EP 04253130A EP 04253130 A EP04253130 A EP 04253130A EP 1484026 B1 EP1484026 B1 EP 1484026B1
Authority
EP
European Patent Office
Prior art keywords
catheter
spine
stem
spines
distal end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04253130A
Other languages
German (de)
English (en)
Other versions
EP1484026A1 (fr
Inventor
Claudio P. Plaza
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biosense Webster Inc
Original Assignee
Biosense Webster Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biosense Webster Inc filed Critical Biosense Webster Inc
Publication of EP1484026A1 publication Critical patent/EP1484026A1/fr
Application granted granted Critical
Publication of EP1484026B1 publication Critical patent/EP1484026B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6859—Catheters with multiple distal splines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/283—Invasive
    • A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient

Definitions

  • Each spine can have a length ranging from substantially 4 cm to substantially 16 cm, preferably ranging from substantially 6 cm to substantially 14 cm, and more preferably ranging from substantially 9 cm to substantially 12 cm.
  • the catheter comprises an elongated catheter body12 having proximal and distal ends, a mapping assembly 14 mounted at the distal end of the catheter body, and a handle 16 at the proximal end of the catheter body.
  • the catheter body 12 comprises an elongated tubular construction having a single, axial or central lumen (not shown), but can optionally have multiple lumens if desired.
  • the catheter body 12 is flexible, i.e., bendable, but substantially non-compressible along its length.
  • the catheter body 12 can be of any suitable construction and made of any suitable material.
  • a presently preferred construction comprises an outer wall made of polyurethane or PEBAX (polyether block amide). PEBAX is a trade mark which may be registered in some countries.
  • the outer wall comprises an imbedded braided mesh of stainless steel or the like to increase torsional stiffness of the catheter body 12 so that, when the handle 16 is rotated, the distal end of the catheter body will rotate in a corresponding manner.
  • the spines 22 are mounted at the distal end of the stem 20.
  • the distal end of the stem 20 can extend beyond the distal ends of the spines 22 and optionally carry one or more measurement and/or treatment devices, such as an electrode, a temperature sensor, a balloon for anchoring the stem 20 in the pulmonary vein, or an irrigation mechanism.
  • Each tip electrode 30 has an exposed length preferably ranging from about 0.5 mm to about 4 mm, more preferably from about 0.5 mm to about 2 mm, still more preferably about 1 mm.
  • Each ring electrode 32 has a length preferably up to about 2 mm, more preferably from about 0.5 mm to about 1 mm.
  • the location sensor 36 is mounted near the distal end of the non-conductive covering 26, preferably as close to the distal end of the spine 22 as possible or concentric with the ring electrode 32.
  • the stem 20 extends, preferably coaxially, through the mounting structure 35.
  • the first and second lead wires 28 and 29, electrode lead wires 34 and sensor cables 38 bend around the distal end of the mounting structure 35 and stem 20 and proximally into the stem. For clarity, only some of the lead wires and sensor cables are shown around and within the stem in FIGs. 6 and 7. From the stem 20, the first and second lead wires 28 and 29, electrode lead wires 34 and sensor cables 38 extend through the catheter body 12 and into the handle 16, and optionally out through the proximal end of they handle, where they are attached to appropriate connectors (not shown).
  • a plastic ring (not shown) is used, and an irrigation or guidewire tube (not shown) is mounted coaxially within the stem 20 so that irrigation fluid can be passed through the irrigation tube or the catheter can be guided over the guidewire tube.
  • an irrigation or guidewire tube (not shown) is mounted coaxially within the stem 20 so that irrigation fluid can be passed through the irrigation tube or the catheter can be guided over the guidewire tube.

Claims (10)

  1. Cathéter comprenant :
    un corps de cathéter allongé (12) comportant une extrémité proximale, une extrémité distale et au moins une lumière s'étendant longitudinalement travers celui-ci ; et
    un système de cartographie (14) monté au niveau de l'extrémité distale du corps de cathéter (12) et comprenant une tige (20) et au moins deux pointes (22) mobiles entre une position repliée, dans laquelle chaque pointe (22) possède une extrémité distale fixée à la tige (20) et une extrémité proximale libre qui, lors de l'utilisation, est l'extrémité la plus proche d'un utilisateur du cathéter, placée contre la tige (20), et une position déployée, dans laquelle l'extrémité proximale libre de chaque pointe (22) s'étend vers l'extérieur depuis la tige (20), et dans lequel chaque pointe (22) supporte au moins une électrode (28, 30, 32).
  2. Cathéter selon la revendication 1, dans lequel ladite au moins une électrode supportée par chaque pointe (22) comprend une électrode de pointe (30) montée au niveau de l'extrémité proximale de la pointe (32).
  3. Cathéter selon la revendication 1 ou 2, dans lequel chaque pointe (22) supporte au moins deux électrodes (28, 30, 32).
  4. Cathéter selon l'une quelconque des revendications 1 à 3, dans lequel les pointes (22) sont espacées régulièrement autour de la tige (20).
  5. Cathéter selon l'une quelconque des revendications 1 à 4, dans lequel le système de cartographie (14) comprend au moins quatre pointes (22).
  6. Cathéter selon l'une quelconque des revendications 1 à 5, dans lequel le système de cartographie (14) comprend au moins six pointes (22).
  7. Cathéter selon l'une quelconque des revendications 1 à 5, dans lequel le système de cartographie (14) comprend au moins huit pointes (22).
  8. Cathéter selon la revendication 1, dans lequel lesdites au moins deux pointes (22) sont de même longueur.
  9. Cathéter selon l'une quelconque des revendications 1 à 8, dans lequel chaque pointe (22) comprend en outre au moins un capteur de localisation.
  10. Cathéter selon la revendication 1, dans lequel chaque pointe (22) supporte au moins quatre électrodes (28, 30, 32).
EP04253130A 2003-06-02 2004-05-27 Cathéter pour cartographier une veine pulmonaire Not-in-force EP1484026B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/452,185 US7003342B2 (en) 2003-06-02 2003-06-02 Catheter and method for mapping a pulmonary vein
US452185 2003-06-02

Publications (2)

Publication Number Publication Date
EP1484026A1 EP1484026A1 (fr) 2004-12-08
EP1484026B1 true EP1484026B1 (fr) 2007-03-28

Family

ID=33159494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04253130A Not-in-force EP1484026B1 (fr) 2003-06-02 2004-05-27 Cathéter pour cartographier une veine pulmonaire

Country Status (5)

Country Link
US (3) US7003342B2 (fr)
EP (1) EP1484026B1 (fr)
JP (1) JP2005007167A (fr)
AT (1) ATE357883T1 (fr)
DE (1) DE602004005532T2 (fr)

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US8926528B2 (en) 2008-08-06 2015-01-06 Biosense Webster, Inc. Single-axis sensors on flexible backbone

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Publication number Priority date Publication date Assignee Title
US8926528B2 (en) 2008-08-06 2015-01-06 Biosense Webster, Inc. Single-axis sensors on flexible backbone

Also Published As

Publication number Publication date
JP2005007167A (ja) 2005-01-13
US20080027303A1 (en) 2008-01-31
DE602004005532T2 (de) 2008-01-24
US7003342B2 (en) 2006-02-21
ATE357883T1 (de) 2007-04-15
US20060142653A1 (en) 2006-06-29
US7257435B2 (en) 2007-08-14
US7738938B2 (en) 2010-06-15
EP1484026A1 (fr) 2004-12-08
US20040242984A1 (en) 2004-12-02
DE602004005532D1 (de) 2007-05-10

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